Strange situation here: way #1106837573 ends on way #225904598 which has access no tags. Latter way to be split up in two?

Chemin privatisé inaccessible

via StreetComplete 59.1

Attached photo(s):
https://westnordost.de/p/244213.jpg

rue des Riches and rue des Pauvres: I couldn't find any reference to those names outside OpenStreetMap.

tunnel culvert, fort or bridge?

Dit geen asfaltweg maar een grindweg

Il-y-a une grotte de Lourdes a cet endroit?
Source: https://lourdesgrotten.com/2008/09/30/philippeville-merlemont-30-9-8/

Could anyone from locals please update access for this gate?
#mbx_linters_belgium

Ce pont a été détruit lors des inondations de juillet 2021.
----------
This bridge has been destroy by the flooding of Juilly 2021.